General rules, techniques and advice for all drivers and riders•Rule 109
Obeying Traffic Lights and Signs
This rule is a legal requirement
Traffic light signals and traffic signs. You MUST obey all traffic light signals (see ‘Light signals controlling traffic‘) and traffic signs giving orders, including temporary signals & signs (see ‘Traffic signs‘). Make sure you know, understand and act on all other traffic and information signs and road markings (see ‘Traffic signs‘, ‘Road markings‘ and ‘Vehicle markings‘).
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You must follow all traffic light signals and signs, including temporary ones, as well as understand road markings. For instance, if you approach a road with a 'No Entry' sign, you must not enter that road, even if it looks clear and safe.
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